Cowboy Butter Steak Sliders with Caramelized Onions - Recipes Fives

Ingredients

• 1 1/2 pounds boneless steak such as ribeye filet, sirloin
• neutral oil as needed
• kosher salt to taste
• freshly cracked black pepper to taste
• 3 sweet onions, thinly sliced
• 9 slider buns
• 3/4 pound sliced havarti cheese
• 1 stick unsalted butter, at room temperature
• 4 garlic cloves, minced
• 1/2 lemon, zested and juiced
• 1 tablespoon dijon mustard
• 1 teaspoon paprika
• 1/2 teaspoon cayenne
• 1/2 teaspoon dried thyme
• 1 teaspoon red pepper flakes
• 1 tablespoon chives, minced
• 2 tablespoons fresh parsley, minced
• kosher salt and pepper to taste
• 1-2 tablespoons avocado oil